Don't include retired projects for codesearch

They just take up extra space.

Change-Id: I105519f577cefac207743bcbc9bfc096798e4dff

jeepyb/cmd/create_hound_config.py

@@ -30,7 +30,8 @@ GIT_PROTOCOL = os.environ.get('GIT_PROTOCOL', 'git://')
 
 def main():
     registry = u.ProjectsRegistry(PROJECTS_YAML)
-    projects = [entry['project'] for entry in registry.configs_list]
+    projects = [entry['project'] for entry in registry.configs_list
+                if not entry.get('acl-config', '').endswith('retired.config')]
     repos = {}
     for project in projects:
         # Ignore attic and stackforge, those are repos that are not